CN1218476C - 畸变补偿输出控制回路及畸变补偿输出控制方法 - Google Patents
畸变补偿输出控制回路及畸变补偿输出控制方法 Download PDFInfo
- Publication number
- CN1218476C CN1218476C CN00816273.5A CN00816273A CN1218476C CN 1218476 C CN1218476 C CN 1218476C CN 00816273 A CN00816273 A CN 00816273A CN 1218476 C CN1218476 C CN 1218476C
- Authority
- CN
- China
- Prior art keywords
- output
- power
- gain
- control
- loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/006672 WO2002027921A1 (fr) | 2000-09-27 | 2000-09-27 | Procede et circuit de compensation de la distorsion et de controle des sorties |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1399813A CN1399813A (zh) | 2003-02-26 |
CN1218476C true CN1218476C (zh) | 2005-09-07 |
Family
ID=11736527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00816273.5A Expired - Fee Related CN1218476C (zh) | 2000-09-27 | 2000-09-27 | 畸变补偿输出控制回路及畸变补偿输出控制方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6710647B1 (ja) |
EP (1) | EP1324486B1 (ja) |
JP (1) | JP3908164B2 (ja) |
CN (1) | CN1218476C (ja) |
DE (1) | DE60026720T8 (ja) |
WO (1) | WO2002027921A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602004022490D1 (de) * | 2003-07-22 | 2009-09-24 | Panasonic Corp | Hochfrequenzverstärker mit variabler Verstärkung, Regelvorrichtung, Hochfrequenzumsetzer mit variabler Verstärkung und Kommunikationsvorrichtung |
GB2419071A (en) * | 2004-10-06 | 2006-04-12 | Vladimir Ivanovich Eliseev | Method of sound signal restoration |
JP4863729B2 (ja) * | 2006-02-14 | 2012-01-25 | 富士通株式会社 | 歪補償装置及び歪補償方法 |
CN101959294B (zh) * | 2010-08-27 | 2013-09-11 | 华为终端有限公司 | 无线发射机功率放大器的失配处理方法及装置 |
KR101802333B1 (ko) * | 2011-10-17 | 2017-12-29 | 삼성전자주식회사 | 오디오 신호 출력 방법 및 그에 따른 오디오 신호 처리 장치 |
JP6325337B2 (ja) * | 2014-05-16 | 2018-05-16 | Necプラットフォームズ株式会社 | 送信機および送信方法 |
TWI748261B (zh) * | 2019-10-15 | 2021-12-01 | 瑞昱半導體股份有限公司 | 回授系統與相關的訊號處理方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5797712A (en) * | 1980-12-10 | 1982-06-17 | Matsushita Electric Ind Co Ltd | Variable gain amplifier |
JPS57125508A (en) * | 1981-01-29 | 1982-08-04 | Nec Corp | Negative feedback amplifying circuit |
JPS58132417U (ja) * | 1982-02-27 | 1983-09-07 | 日本電気ホームエレクトロニクス株式会社 | オ−デイオ用増幅器 |
JPH04373218A (ja) | 1991-06-21 | 1992-12-25 | Fujitsu Ltd | 歪み補償回路付き送信装置 |
JP2576357B2 (ja) * | 1993-04-21 | 1997-01-29 | 日本電気株式会社 | 多値直交振幅変調波歪補償回路 |
GB9316869D0 (en) * | 1993-08-13 | 1993-09-29 | Philips Electronics Uk Ltd | Transmitter and power amplifier therefor |
GB2287371B (en) * | 1994-03-11 | 1998-12-16 | Motorola Israel Ltd | Radio transmitter power amplifier calibration |
JP2980021B2 (ja) | 1996-03-19 | 1999-11-22 | 日本電気株式会社 | リニアライザの利得制御方法 |
JP3712160B2 (ja) * | 1998-04-17 | 2005-11-02 | 松下電器産業株式会社 | 無線装置、無線装置における送信電力制御方法および記録媒体 |
-
2000
- 2000-09-27 EP EP00962895A patent/EP1324486B1/en not_active Expired - Lifetime
- 2000-09-27 US US10/129,821 patent/US6710647B1/en not_active Expired - Fee Related
- 2000-09-27 DE DE60026720T patent/DE60026720T8/de active Active
- 2000-09-27 CN CN00816273.5A patent/CN1218476C/zh not_active Expired - Fee Related
- 2000-09-27 WO PCT/JP2000/006672 patent/WO2002027921A1/ja active IP Right Grant
- 2000-09-27 JP JP2002531597A patent/JP3908164B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3908164B2 (ja) | 2007-04-25 |
EP1324486A4 (en) | 2005-08-03 |
WO2002027921A1 (fr) | 2002-04-04 |
EP1324486B1 (en) | 2006-03-15 |
DE60026720T2 (de) | 2006-11-16 |
US6710647B1 (en) | 2004-03-23 |
DE60026720D1 (de) | 2006-05-11 |
CN1399813A (zh) | 2003-02-26 |
DE60026720T8 (de) | 2007-03-01 |
JPWO2002027921A1 (ja) | 2004-02-12 |
EP1324486A1 (en) | 2003-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1218476C (zh) | 畸变补偿输出控制回路及畸变补偿输出控制方法 | |
CN1324818C (zh) | 调节最大发射功率维持恒定相邻信道功率抑制余量的方法和系统 | |
CN101040443A (zh) | 模数转换的方法和设备 | |
CN1512664A (zh) | 放大电路 | |
CN1960165A (zh) | 放大器装置 | |
CN1225091C (zh) | 接收机的基带电路和低频截止频率控制方法 | |
CN1866728A (zh) | 数字放大器、脉冲宽度调制器以及减小其突发噪声的方法 | |
JPH05509218A (ja) | 電力増幅器の飽和検出および訂正方法および装置 | |
CN1953333A (zh) | 一种信号处理方法及装置 | |
CN1778047A (zh) | 增益补偿 | |
JP2005223717A (ja) | オーディオアンプ | |
CN1792040A (zh) | 自动增益控制装置 | |
CN1365538A (zh) | 增益控制装置 | |
US20130108081A1 (en) | Amplifier | |
EP0153719A2 (en) | Method and apparatus for controlling the gain of an amplifier system | |
CN1622468A (zh) | 一种信号处理方法及装置 | |
CN1139183C (zh) | 功率放大器及其控制电路 | |
CN1292168A (zh) | 在放大器中补偿非线性的方法、一种放大器以及这种方法和放大器的应用 | |
CN1251399C (zh) | 用于补偿非线性失真的前馈放大设备 | |
CN1674434A (zh) | 移动通信终端装置、可变增益放大电路和增益控制电路 | |
CN86108659A (zh) | 逆变器 | |
CN1918791A (zh) | 放大装置和音响系统 | |
KR100821408B1 (ko) | 아날로그 프론트-엔드 회로 | |
EP0860826A3 (en) | PRML system with reduced complexity maximum likelihood detector | |
CN1231544A (zh) | 发送电功率控制设备和控制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20140927 |
|
EXPY | Termination of patent right or utility model |